- Phyllis Coates
- Jean Evans
- Myron Healey
- Larry Sanders
- Arthur Space
- Morgan
- John Daheim
- Cass
- Mike Ragan
- Rand
- Morris Buchanan
- Tembo
- Roy Glenn
- Danka
- Archie Savage
- Ituri
- Ramsay Hill
- Stanton
- Naaman Brown
- Orto
- Dan Ferniel
- Ebu
- James Logan
- Harris
- Steve Calvert
- Gorilla
- Don Carlos
- Samba
- DeForest Covan
- Koango
- Daniel Elam
- Native
- Wesley Gale
- Native
- Fred Graham
- Nick Burgass [Ch. 7]
- Keith McConnell
- Const. Kent [Ch. 12]
- Alan Reynolds
- Stanley
- Gene Roth
- Bartender [Chs. 6-7]
- Walter Smith
- Naganto
- Tom Steele
- Man
- Charles Sullivan
- Const. Davis [Ch. 12]
- Martin Wilkins
- Zimba [Ch. 5]
